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Finding the Fourth Proportional to 635.86, 948.96 and 619.46

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Solution

The fourth proportional to 635.86, 948.96 and 619.46 is: 924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    635.86 : 948.96 = 619.46 : x
  2. Step 2: Convert to fraction form
    635.86/948.96 = 619.46/x
  3. Step 3: Cross multiply
    635.86x = 948.96 × 619.46
  4. Step 4: Simplify right side
    635.86x = 587,842.76
  5. Step 5: Solve for x
    x = 587,842.76/635.86
  6. Step 6: Final answer
    x = 924.48

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.